Due to this state being the amalgamation of two different power-ups, Goku's Super Saiyan Blue gets a reddish hue and his regular blue Ki has another, larger red Ki on top of it.

While some Dragon Ball Super fans might not be happy with Super Saiyan 4 being stronger than Blue, there’s always the possibility of Ultra Instinct Goku surpassing them all.

Dragon Ball is one of the best and longest franchises in anime, so it's no surprise than even the most devoted fans can get a little confused.